Improve move word command in Japanese text

[tm99hjkl]

Hi.

The movement of the move word command on Japanese text was made a little more delicate.
Pressing the e and b key on Japanese text used to behave like this:

After the change, it can be moved more finely:

Thank you for your confirmation.

[kirawi]

I don't think we want to add any language-specific code like this. We'd probably want something like #2429.

[tm99hjkl]

I see.
Thank you for reviewing @kirawi :)

[kirawi]

I've brought this up with archseer to see if we can follow the Unicode word-breaking rules by default (https://unicode.org/reports/tr29/#Default_Word_Boundaries). I'll let you know if anything comes from it.

[tm99hjkl]

Thanks for being so attentive to my pull request. I look forward to hearing from you.

[kirawi]

See #12160 Apologies for the delay.

[tm99hjkl]

Thank you for your response. I'll monitor the progress.